r916 |
incenter,
excenters,
Euler
line |
r927 |
circumcenter,
Euler
line, point X(110) |
r1191 |
De
Longchamps line, point X(110) |
r1197 |
Fermat
axis, tripolar |
r1961 |
circumcenter,
incenter,
excenters,
excentral
triangle |
r1962 |
circumcenter,
incenter,
intouch
triangle, incircle |
r1963 |
circumcenter,
orthocenter,
isogonal
points, medial
triangle, pedal triangle, pedal
circle |